Bump @actions/core from 1.2.6 to 1.9.1 in /slack-stream

Bumps [@actions/core](https://github.com/actions/toolkit/tree/HEAD/packages/core) from 1.2.6 to 1.9.1.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/core/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/core)

---
updated-dependencies:
- dependency-name: "@actions/core"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

slack-stream/package.json

@@ -2,7 +2,7 @@
   "name": "slack-stream",
   "version": "0.0.1",
   "dependencies": {
-    "@actions/core": "1.2.6",
+    "@actions/core": "1.9.1",
     "@actions/github": "2.2.0",
     "axios": "0.19.2"
   }

slack-stream/yarn.lock

@@ -2,10 +2,13 @@
 # yarn lockfile v1
 
 
-"@actions/core@1.2.6":
-  version "1.2.6"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.6.tgz#a78d49f41a4def18e88ce47c2cac615d5694bf09"
-  integrity sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA==
+"@actions/core@1.9.1":
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.9.1.tgz#97c0201b1f9856df4f7c3a375cdcdb0c2a2f750b"
+  integrity sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==
+  dependencies:
+    "@actions/http-client" "^2.0.1"
+    uuid "^8.3.2"
 
 "@actions/github@2.2.0":
   version "2.2.0"
@@ -23,6 +26,13 @@
   dependencies:
     tunnel "0.0.6"
 
+"@actions/http-client@^2.0.1":
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@actions/http-client/-/http-client-2.0.1.tgz#873f4ca98fe32f6839462a6f046332677322f99c"
+  integrity sha512-PIXiMVtz6VvyaRsGY268qvj57hXQEpsYogYOu2nrQhlf+XCGmZstmuZBbAybUl1nQGnvS1k1eEsQ69ZoD7xlSw==
+  dependencies:
+    tunnel "^0.0.6"
+
 "@octokit/auth-token@^2.4.0":
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/@octokit/auth-token/-/auth-token-2.4.3.tgz#b868b5f2366533a7e62933eaa1181a8924228cc4"
@@ -342,7 +352,7 @@ strip-eof@^1.0.0:
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
   integrity sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=
 
-tunnel@0.0.6:
+tunnel@0.0.6, tunnel@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/tunnel/-/tunnel-0.0.6.tgz#72f1314b34a5b192db012324df2cc587ca47f92c"
   integrity sha512-1h/Lnq9yajKY2PEbBadPXj3VxsDDu844OnaAo52UVmIzIvwwtBPIuNvkjuzBlTWpfJyUbG3ez0KSBibQkj4ojg==
@@ -359,6 +369,11 @@ universal-user-agent@^6.0.0:
   resolved "https://registry.yarnpkg.com/universal-user-agent/-/universal-user-agent-6.0.0.tgz#3381f8503b251c0d9cd21bc1de939ec9df5480ee"
   integrity sha512-isyNax3wXoKaulPDZWHQqbmIx1k2tb9fb3GGDBRxCscfYV2Ch7WxPArBsFEG8s/safwXTT7H4QGhaIkTp9447w==
 
+uuid@^8.3.2:
+  version "8.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
+  integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==
+
 which@^1.2.9:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"